Eileen Alessandro, NP
Family Nurse Practitioner · West Islip, NY
Eileen Alessandro, NP is a family nurse practitioner with a practice address in West Islip, New York, and NPI 1649601758, issued on Nov 29, 2013. Check the license (New York F336476-1, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Eileen Alessandro
- Credential
- NP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- F336476-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 540 Union Blvd, West Islip, NY 11795
- Phone
- (631) 669-2555
- Enumerated
- Nov 29, 2013
- Record last updated
- Apr 12, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (631) 669-5787
- Medicare enrollment
- Enrolled (PECOS I20160607001955); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 14,805 in New York → Look up another NPI →
Also registered at 540 Union Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Aaron, MDCardiovascular Disease Physician1790762623
- Larry Altschul, MDCardiovascular Disease Physician1093794901
- John Asheld, DONuclear Cardiology Physician1699935973
- Wilbur Asheld, DONuclear Cardiology Physician1710247549
- Uschi Auguste, MDCardiovascular Disease Physician1679872824
- John Bello, M.D.Cardiovascular Disease Physician1902110778
Verify Eileen Alessandro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license F336476-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.5 times the Medicare Part D claims of the average family nurse practitioner in 2024
4,587 Medicare Part D claims for 1,920 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Atorvastatin Calcium715 claims
- Metoprolol Succinate542 claims
- Rosuvastatin Calcium386 claims
- Clopidogrel216 claims
- Eliquis192 claims
- Amlodipine Besylate183 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 84.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,468.37
48 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- St Francis HospitalWest Islip, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eileen Alessandro among 14,805 family nurse practitioner records in New York
Eileen Alessandro, NP is one of 14,805 family nurse practitioner records with a practice address in New York. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 26% of them.
- NPI issued2013 · 26% of these records are older, 70% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated2010 · median 2019 among the 7,239 with a school on file
- Record last updated2017 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
44 family nurse practitioner records list a practice address in West Islip
They are 44 of the 1,107 NPPES records with a practice address in West Islip, and 14,805 family nurse practitioner records in New York.
All 14,805 in New York → Every provider in West Islip → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Suzanne Angelillo, FNPWest Islip, NY 117951760777668
- Tracey Bennardo, NPWest Islip, NY 117951194063594
- Nicole Boeckel, FNPWest Islip, NY 117951144493768
- Laura Candelaria, FNPWest Islip, NY 117951851670590
- Karyn Carpenter, FNP-CWest Islip, NY 117951922363910
- Camille CollettiWest Islip, NY 117951871847210
- Meghan Derocchis, NPWest Islip, NY 117951720305519
- Elizabeth Desantis, N.P.West Islip, NY 117951679851190
Common questions
What is Eileen Alessandro, NP's NPI number?
Eileen Alessandro, NP's National Provider Identifier (NPI) is 1649601758, issued on Nov 29, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Eileen Alessandro, NP located?
The NPPES record lists a practice address at 540 Union Blvd, West Islip, NY, 11795. Phone: (631) 669-2555. Providers update this record themselves, so call before visiting.
How can I verify Eileen Alessandro, NP's license?
NPPES lists New York license number F336476-1, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Eileen Alessandro, NP prescribe under Medicare Part D?
In 2024, Eileen Alessandro, NP had 4,587 Medicare Part D claims for 1,920 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Eileen Alessandro, NP's MIPS final score?
The 2023 MIPS final score is 84.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.